stephen cohen is a professor at nyu and william browder was his former employer and he is, of course, one of the biggest proponents behind the magnitski act. william, explain the importance of the act from your point of view? >> very simply, it is a piece of legislation which is sort of designed for the modern day problems of what's going on in russia. in russia, you have a regime which is basically out to steal as much money as possible from their own people. when people try to stop it in any way, like sergeis magnitsky, they get killed. the corrupt running russia today and creates consequences outside of russia by banning their visas and freezing their assets in america. >> steve cohen, you disagree with the magnitsky act. >> i do for many reasons, but as you said in your introduction i think moscow and washington are sliding into a new cold war, which would be very bad for national security and the magnitsky act further poisons the relationship. mr. browder is right to a certain extent, but not quite as simple as he says. even though this may be this act just a lot of words, it wil